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DR. DALIA AL-MUDALLAL M.D.
NPI 1356502116
Internal Medicine - Gastroenterology in Laguna Hills, CA

Active since June 24, 2008PECOS EnrolledAccepts Medicare Assignment
24411 HEALTH CENTER DR STE 430, LAGUNA HILLS, CA 92653(949) 452-3933(949) 458-1291 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 14, 2025, Jul 25, 2024 (2 updates tracked since 2024).

About Dr. Dalia Al-mudallal M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DALIA AL-MUDALLAL M.D. (NPI 1356502116) is an individual gastroenterology provider in Laguna Hills, California, licensed in California (A131849) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains 6 additional practice locations, and is a graduate of Georgetown University School Of Medicine (2007).

NPPES Registry Identity

NPI1356502116
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. DALIA AL-MUDALLALCredential: M.D.
Location Address24411 HEALTH CENTER DR STE 430Laguna Hills, CA 92653-3633
Mailing Address14252 Culver Dr # A338Irvine, CA 92604-0317 · (310) 721-7217
Phone(949) 452-3933
Fax(949) 458-1291
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 2007
Enumeration DateJune 24, 2008
Last NPPES UpdateOctober 16, 20252 updates tracked since enumeration
NPPES CertifiedOctober 16, 2025
✔ NPI 1356502116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in CA · A131849✔ Licensed in VA · 0101248509✔ Licensed in AZ · 76377✔ Licensed in TN · 73892
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 73892 (TN), 0101248509 (VA)
24411 HEALTH CENTER DR STE 430, Laguna Hills, CA 92653
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Other Names 1

Former Name (1)Dr. Dalia Ibrahim M.d.

Secondary Practice Locations 6

Location 11 Medical Park BlvdBristol, TN 37620-7430 · Phone (423) 844-1121
Location 21420 Tusculum BlvdGreeneville, TN 37745-4279 · Phone (423) 787-6370
Location 3130 W Ravine RdKingsport, TN 37660-3837 · Phone (423) 224-4000
Location 41390 W 16th StYuma, AZ 85364-4430 · Phone (928) 344-4325
Location 5850 Enterprise Pkwy Ste 2000Hampton, VA 23666-6252 · Phone (757) 599-6333
Location 616000 Johnston Memorial DrAbingdon, VA 24211-7664 · Phone (276) 258-1880

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Dalia Al-mudallal M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961709092
PECOS Enrollment IDI20160404002332, I20240604002649, I20251009000001
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Dalia Al-mudallal reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

United Medical Doctors
31 mi
Gastroenterology
28078 BAXTER RD STE 530
Murrieta, CA 92563
  • Reassigned Medicare billing, California enrollment
  • 240 clinicians in this Medicare group
NPI 1770559981 (951) 566-5229
Basim Z. Abdelkarim, M.D., Inc.
34 mi
Gastroenterology
1310 SAN BERNARDINO RD STE 103
Upland, CA 91786
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group
NPI 1063593739 (909) 920-0444
Wellmont Medical Associates, Inc.
1,967 mi
Internal Medicine
405 SCENIC DR, SUITE A
Rogersville, TN 37857
  • Reassigned Medicare billing, Tennessee and Virginia enrollments
  • Also billed through NPI 1003274994 (Virginia)
  • 861 clinicians in this Medicare group
NPI 1689032575 (423) 921-3490

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
247 services157 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
144 services144 patients
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
61 services61 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
37 services37 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DALIA IBRAHIM-ABDELAZIZ MD
Internal Medicine (Gastroenterology)
24411 HEALTH CENTER DR STE 430
LAGUNA HILLS, CA 92653
Orange County (949) 452-3933
AFSAN GHANEIAN PA-C
Physician Assistant (Medical)
24411 HEALTH CENTER DR STE 430
LAGUNA HILLS, CA 92653
Orange County (949) 452-3933

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dalia Al-mudallal's NPI number?

The NPI number for Dalia Al-mudallal is 1356502116. It was assigned to this individual provider in the NPPES registry on June 24, 2008. The provider is also known as Dr. Dalia Ibrahim M.D..

Where is Dalia Al-mudallal located?

Dalia Al-mudallal practices at 24411 Health Center Dr Ste 430, Laguna Hills, CA 92653. The listed phone number is (949) 452-3933.

What is Dalia Al-mudallal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Dalia Al-mudallal enrolled in Medicare?

Yes. Dalia Al-mudallal is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Dalia Al-mudallal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dalia Al-mudallal reassigns Medicare benefits to 3 organizations: United Medical Doctors (Murrieta, CA), Basim Z. Abdelkarim, M.D., Inc. (Upland, CA) and Wellmont Medical Associates, Inc. (Rogersville, TN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dalia Al-mudallal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dalia Al-mudallal accept?

Health plans from Cigna Healthcare list Dalia Al-mudallal as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dalia Al-mudallal was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.